Mask O®

MASK O is a flowable micronized dispersion of calcium carbonate. It’s designed for foliar application and is recommended for use as a protectant against sunburn and heat stress. This product can be applied to all crops that are not calcium sensitive. MASK O can be used in organic production and is California Organic and approved material under Washington State Department of agriculture organic food program.

Click here to view CA Organic Mask O Certificate

Click here to view WSDA Organic Standards Certificate